Alum Jar Test Apparatus Electrically Operated.
Consisting of 100 x 20 cm. ground perspex illuminated table suitable to test six specimens at a time. A 220 volts F.H.P. Electric A.C. motor; is fitted with reduction gear which enables to rotate six stainless steel churners at speed of 25 to 100 rpm. Speed control device and a zero reset table revolution counter are provided.